* {
  margin: 0;
  padding: 0;
}

html,
body {
  height: 100%;
  /* for touch screen */
  touch-action: none; 
}

body {
  overflow: hidden;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  background: #111;
  -webkit-perspective: 1000px;
          perspective: 1000px;
  -webkit-transform-style: preserve-3d;
          transform-style: preserve-3d;
}

#drag-container, #spin-container {
  position: relative;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  margin: auto;
  -webkit-transform-style: preserve-3d;
          transform-style: preserve-3d;
  -webkit-transform: rotateX(-10deg);
          transform: rotateX(-10deg);
}

#drag-container img, #drag-container video {
  -webkit-transform-style: preserve-3d;
          transform-style: preserve-3d;
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  line-height: 200px;
  font-size: 50px;
  text-align: center;
  -webkit-box-shadow: 0 0 8px #fff;
          box-shadow: 0 0 8px #fff;
  -webkit-box-reflect: below 10px linear-gradient(transparent, transparent, #0005);
}

#drag-container img:hover, #drag-container video:hover {
  -webkit-box-shadow: 0 0 15px #fffd;
          box-shadow: 0 0 15px #fffd;
  -webkit-box-reflect: below 10px linear-gradient(transparent, transparent, #0007);
}

#drag-container p {
  font-family: Serif;
  position: absolute;
  top: 100%;
  left: 50%;
  -webkit-transform: translate(-50%,-50%) rotateX(90deg);
          transform: translate(-50%,-50%) rotateX(90deg);
  color: #fff;
}

#ground {
  width: 900px;
  height: 900px;
  position: absolute;
  top: 100%;
  left: 50%;
  -webkit-transform: translate(-50%,-50%) rotateX(90deg);
          transform: translate(-50%,-50%) rotateX(90deg);
  background: -webkit-radial-gradient(center center, farthest-side , #9993, transparent);
}

#music-container {
  position: absolute;
  top: 0;
  left: 0;
}

@-webkit-keyframes spin {
  from{
    -webkit-transform: rotateY(0deg);
            transform: rotateY(0deg);
  } to{
    -webkit-transform: rotateY(360deg);
            transform: rotateY(360deg);
  }
}

@keyframes spin {
  from{
    -webkit-transform: rotateY(0deg);
            transform: rotateY(0deg);
  } to{
    -webkit-transform: rotateY(360deg);
            transform: rotateY(360deg);
  }
}
@-webkit-keyframes spinRevert {
  from{
    -webkit-transform: rotateY(360deg);
            transform: rotateY(360deg);
  } to{
    -webkit-transform: rotateY(0deg);
            transform: rotateY(0deg);
  }
}
@keyframes spinRevert {
  from{
    -webkit-transform: rotateY(360deg);
            transform: rotateY(360deg);
  } to{
    -webkit-transform: rotateY(0deg);
            transform: rotateY(0deg);
  }
}